Top 10 Best 3mm rod in 2026

Last Updated - 6/16/2026

🏆Best Choice

VictorsHome

VictorsHome 3mm x 300mm 304 Stainless Steel Round Rod, Metal Solid Shaft Rods Lathe Bar Stock for DIY Crafts Model Car Helicopter Airplane 10pcs

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•SIZE - The stainless steel round rod is 3mm/0.12" in diameter, 300mm/12" in length.
•MATERIAL - Made of high hardness 304 stainless steel, provides strong rust resistance and corrosion resistance, ensures long service life.
•PERFORMANCE - The round bar has a smooth surface, and the steel has good toughness, is easy to shape without cracks. It can make the model car keep the body stable and running normally.
•APPLICATION - Suitable for the model plane, model helicopter, model ship, model car and other DIY crafts. Widely used for connecting gear shaft, motor shaft, short support shaft, shaft pocket model, miniature axle, etc.
•WHAT YOU GET - 10pcs x Stainless Steel Round Rod. If you have any questions about this item, please feel free to contact us!

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$9.99

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Lyrlidr

Lyrlidr 12Pcs 3 mm x 300 mm 304 Stainless Steel Round Rod, Metal Shaft, Stainless Steel Smooth Rods for Industry, Metal Working Hobbies and DIY Craft 12Pcs (12, 3mm * 300mm)

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•【Size】: The 304 Stainless Steel Round Rod Diameter: 3 mm; Length: 300mm; 12pcs.
•【Material】: Crafted from 304 Stainless Steel. Sturdy and Long-term use in projects, not easy to rust.
•【Product Feature】: 304 Stainless steel round rod features a smooth surface and flat incision, easy to operate. You can be easily cut, milled, drilled, tapped or turned.
•【Wide Application】: Widely Used for Processing mills cutters, sharp knives, punch press needles and gear shaft, DIY models, such as ship model car model It is also suitable for the making of other DIY crafts.
•【Satisfaction Guarantee】: We stand by the quality of our 304 stainless steel round rods ，If you have any questions about our products, please contact us through Amazon. We will Check the problem first of all and do our best to solve it for you，Provide you with a satisfactory shopping experience!

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$7.49

$9.99

-25%

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LGFMGWH

20pcs 3mm x300mm 304 Stainless Steel Solid Round Rod, Solid Round Rod for DIY Craft Model Car Helicopter Airplane

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•Package- 20pcs x 3mm/0.118" Stainless Steel Round Rod
•Size - The stainless steel round rod is 3mm/0.118" in diameter, 300mm/11.81" in length
•Material - Made of high hardness 304 stainless steel, strong rust resistance and corrosion resistance
•Feature - The round bar has a smooth surface, and the steel has good toughness, is easy to shape without cracks
•Wide Use - Suitable for the model plane, model helicopter, model ship, model car and other DIY crafts

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$9.95

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Feelers

Feelers Aluminum Round Rod 1/8"(3mm) Diameter 6061 Aluminum Solid Stick for DIY Craft, 150mm Length, 20 pcs

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•Size: Diameter: 1/8" (3mm). Length: 152mm.
•Material: Made of 6061 aluminum solid round rod, high strength and corrosion resistance.
•Package: Total 20 pieces aluminum rods, silver, smooth, easy to shape.
•Application: Its weld-ability and formability make it suitable for many general-purpose applications.It can used for DIY craft making, model making, handle pin, making pins, welded assembles, etc.
•Service: If you have any questions, please click on our shop page and we will help you solve it in the shortest possible time.

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$6.99

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MOKOVI

16 inches Long 3mm x 405mm 304 Stainless Steel Solid Round Rod for， Metric Metal Solid Shaft Rods， for DIY Craft - CNC -10pcs

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•Size - Diameter: 3mm/0.12 inch; Length: The length of 405mm, approximately 16 inches, is sufficient for your daily use
•Material - High hardness 304 stainless steel, strong rust-resistant and corrosion-resistant, sturdy and durable。
•Feature - The surface is smooth, easy to shape,weld， no cracks formed, keep car normal operation efficiently, and steady car body to overcome difficulty easily.
•Application - Widely used in Gear shaft, motor shaft, short support shaft, shaft pocket model, miniature axle, model plane, model ship, model cars.
•package - 10pcs x 304 stainless steel solid round rod lathe bar stock.

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$9.99

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uxcell

uxcell 10Pcs 1/8"(3mm) Dia Round Aluminum Rod, 12"(305mm) Long 6063 Aluminum Round Rod Solid Lathe Bar Stock for Industry Construction DIY Crafts

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•[What You Get] - Package content comes with 10 pieces of round aluminum rod, which with 305mm/12inch length and 3mm/1/8inch diameter.
•[Material] - Our Bar Stock is made of aluminum alloy, which has good strength, high hardness, corrosion resistance, not easy to rust, and long service life.
•[Features] - You can cut the round aluminum rod according to your own needs, it is easy to process and weld, and it can meet your different use needs.
•[Wide Application] - This aluminum rod is a good DIY craft and automated machinery part, widely used in industry and construction, such as the manufacturing of trucks, tower buildings, ships, trains, railways, etc.
•[Note] - We have multiple round aluminum rods of different diameters and lengths. Please confirm the size you need before purchasing to avoid buying the wrong one.

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$4.54

$9.09

-50%

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uxcell

uxcell 10pcs Round Steel Metal Rods, 3mm x 100mm High Speed Steel (HSS) Lathe Bar Stock Tool, for Shaft Gear Drill Lathes Boring Machine Turning Miniature DIY Craft, 10pcs

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•Round Metal Rods: Diameter: 3mm / 0.12" (+/-0.05mm / 0.002"); length: 100mm / 3.93" (+/-5mm / 0.2"). High-speed steel rod is with combination of hardness and toughness for wear resistance, hardness HRC61~63
•General Purpose: Widely used for processing milling cutters, sharp knives, gravers, punch press needles, bearings sleeve rods of machine tools, high hard ejector rods and center pins
•Versatile Steel Rods: Suitable for processing top circle, end face, bore, thread, plane, step, groove. Suitable for copper, aluminum, unhardened steel items
•Use Note: Please add some oil during storage and reduce contact with air or do not expose to air for rust protection. The surface is smooth, easy to shape, no cracks formed
•Meet Your Needs: Steel Rods can be easy to cut and formed into replacement parts for almost anything. You can cut to any size you want according to your needs

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$7.19

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uxcell

uxcell 3mm x 300mm 304 Stainless Steel Solid Round Rod for DIY Craft - 10pcs

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•[ Product Contents ] - 10pcs x 304 stainless steel solid round rod lathe bar stock.
•[ Size ] - Diameter: 3mm/ 1/8 inch; Length: 300mm/11.81 inch.
•[ Material ] - High hardness 304 stainless steel, strong rust-resistant and corrosion-resistant, sturdy and durable.
•[ Feature ] - The surface is smooth, easy to shape, no cracks formed, keep car normal operation efficiently, and steady car body to overcome difficulty easily.
•[ Application ] - Widely used in Gear shaft, motor shaft, short support shaft, shaft pocket model, miniature axle, model plane, model ship, model cars.

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$8.99

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uxcell

uxcell 3mm x 100mm 304 Stainless Steel Solid Round Rod for DIY Craft - 5pcs

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•[ Product Contents ] - 5pcs x 304 stainless steel solid round rod lathe bar stock.
•[ Size ] - Diameter: 3mm/ 1/8 inch; Length: 100mm/3.93 inch.
•[ Material ] - High hardness 304 stainless steel, strong rust-resistant and corrosion-resistant, sturdy and durable.
•[ Feature ] - The surface is smooth, easy to shape, no cracks formed, keep car normal operation efficiently, and steady car body to overcome difficulty easily.
•[ Application ] - Widely used in Gear shaft, motor shaft, short support shaft, shaft pocket model, miniature axle, model plane, model ship, model cars.

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$5.69

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Eowpower

Eowpower 5 Pieces Stainless Steel 3 x 300 mm Round Rod for RC Airplane

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Made of stainless steel
•Size: 3 x 300 mm, D x L
•Package includes:5 pieces

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$4.15

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